Key West, FL · Sun, January 17, 2027 · 07:00
Projected at race day for M 18-34, from your 4:00:00 marathon + training runway.
Drivable from Miami. Flat island course.
The Key West Half Marathon is a half marathon held in Key West, FL on January 17, 2027. With a Green Score of 7.9/10, it's a moderate race. The course is pancake-flat (~1 ft of gain per mile). Typical race-day weather is a warm 70°F, dew point ~62°F (10-year normal). Entry is around $110. Marathon Compass rates every race across terrain, climate, logistics, travel, and field size so you can find the one that fits you — and build a training plan tuned to your fitness.